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EN 1.4422 Stainless Steel vs. EN 1.4369 Stainless Steel

Both EN 1.4422 stainless steel and EN 1.4369 stainless steel are iron alloys. They have 84% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is EN 1.4422 stainless steel and the bottom bar is EN 1.4369 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 17
40
Fatigue Strength, MPa 380
330
Impact Strength: V-Notched Charpy, J 110
91
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
77
Shear Strength, MPa 520
580
Tensile Strength: Ultimate (UTS), MPa 850
850
Tensile Strength: Yield (Proof), MPa 630
390

Thermal Properties

Latent Heat of Fusion, J/g 270
290
Maximum Temperature: Corrosion, °C 390
420
Maximum Temperature: Mechanical, °C 760
940
Melting Completion (Liquidus), °C 1450
1400
Melting Onset (Solidus), °C 1410
1360
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 16
15
Thermal Expansion, µm/m-K 10
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 11
14
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 2.7
3.0
Embodied Energy, MJ/kg 37
43
Embodied Water, L/kg 110
150

Common Calculations

PREN (Pitting Resistance) 17
23
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
280
Resilience: Unit (Modulus of Resilience), kJ/m3 1000
380
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 30
31
Strength to Weight: Bending, points 25
26
Thermal Diffusivity, mm2/s 4.3
4.0
Thermal Shock Resistance, points 31
18

Alloy Composition

Carbon (C), % 0 to 0.020
0.070 to 0.15
Chromium (Cr), % 11 to 13
17.5 to 19.5
Copper (Cu), % 0.2 to 0.8
0
Iron (Fe), % 76.8 to 83.5
63 to 70.2
Manganese (Mn), % 0 to 2.0
5.0 to 7.5
Molybdenum (Mo), % 1.3 to 1.8
0
Nickel (Ni), % 4.0 to 5.0
6.5 to 8.5
Nitrogen (N), % 0 to 0.020
0.2 to 0.3
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 0.5
0.5 to 1.0
Sulfur (S), % 0 to 0.0030
0 to 0.015